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Senior Software Developer

New RemoteSenior

The Senior Software Developer / Tech Lead will design and develop high-load distributed middleware and backend applications for the telecom sector using Java, Spring, and microservices architecture. The role involves managing technical projects, optimizing database performance, and ensuring system stability through CI/CD and rigorous testing.

Airflow API Artifactory Cassandra CI/CD +24 skills

ПАО Сбербанк

Senior Java-разработчик (Продуктовый каталог)

Open 36d CISSenior

Senior Java developer building and scaling backend services for a bank’s product catalog, using Spring, Kafka, PostgreSQL, and Kubernetes in a hybrid Moscow office.

Agile AI CI/CD Docker Git +15 skills

Senior/Staff Backend Engineer

Open 15d RemoteWorldwideFull-timeStaff

Designs and maintains core backend APIs for a loyalty and payments platform connecting restaurants with customers, focusing on scalable, high-quality solutions and mentoring engineers in a fast-paced startup environment.

AI API AWS Blockchain Cryptography +11 skills

180K – 220K $

3761 Barclays - BX - UK

Senior Full-Stack Engineer (Java/Spring, AWS) – Glasgow

Senior Full-Stack Engineer building and enhancing digital platform software at Barclays' Glasgow office, working with Core Java, Spring, Hibernate/JPA, and AWS.

AWS Hibernate Java JPA Secure Coding +2 skills

3761 Barclays - BX - UK

Full Stack Developer

Full Stack Developer at Barclays in Glasgow delivering across the full technology stack using Core Java, Spring Boot, AWS, and Kafka to build and improve digital banking software solutions.

AWS CI/CD Cloud DevOps Event Driven Architecture +10 skills

Java Backend Engineer — Spring Boot, Growth Path & Training

Build robust backend services in Java using Spring Boot, Hibernate, MySQL/PostgreSQL, and Git in an office-based role focused on code quality and ticket management, with training and a path to senior technical expert.

Git Hibernate Java MySQL PostgreSQL +1 skills

BULLIT MANAGEMENT SERVICES LIMITED

Java Developer - Camunda

Java Fullstack Developer building lending origination workflows with Camunda 8, Spring Boot backend, React frontend, and SQL, using TDD and CI/CD in an Agile/SCRUM environment.

Agile CI/CD Confluence GitLab Gradle +21 skills

Senior Full Stack Developer

New EuropeFull-timeSenior

Senior Full Stack Developer on a hospital information system (SIO), building and maintaining mission-critical healthcare software with Java 17+, Spring Boot, Hibernate/JPA, REST APIs, Oracle/PostgreSQL, and MongoDB.

AI API FHIR Git Gradle +9 skills

DevOps Engineer

Build and maintain Kubernetes-based cloud-native infrastructure at a leading Korean fintech company, automating deployments and improving developer experience.

AWS CI/CD Cloud Cloud Native DevOps +13 skills

DevOps Engineer

Build and refine CI/CD pipelines and Kubernetes-based infrastructure for Toss Securities, focusing on developer experience and robust monitoring to enable rapid, safe deployments.

Argo CD AWS CI/CD Cloud Cloud Native +24 skills

DevOps Engineer

Build and maintain Kubernetes-based cloud-native platforms to enable fast, safe deployments and resilient operations for Toss’s offline payment ecosystem.

Argo CD AWS CI/CD Cloud Cloud Native +25 skills

100M – 150M KRW

DevOps Engineer [산업기능요원/전문연구요원]

Build and refine Kubernetes-based CI/CD pipelines and observability tooling to help Toss developers deploy and debug services at scale.

AWS CI/CD Cloud Cloud Native DevOps +13 skills

Security Researcher (APT/인프라 모의해킹)

A Security Researcher performs simulated hacking (APT attacks) and infrastructure diagnostics to proactively identify and mitigate vulnerabilities across Toss’s financial systems, collaborating closely with engineering teams to enhance security while balancing usability.

DevOps Docker Git Gradle Grafana +10 skills

Server Developer (Platform/Product)

Develops and maintains core insurance CRM, ERP, and CMS systems for agents, focusing on automation, security, and scalability using Kotlin/Java and Spring Boot.

API CRM ELK ERP Git +16 skills

Server Developer (Platform)

Build and maintain the core server platform for Toss’s fintech services using Java/Kotlin and Spring, focusing on scalability, monitoring, and distributed systems.

API Argo CD Cloud DevOps Elasticsearch +17 skills

Server Developer (Platform)

Builds and operates high-availability platform services for Toss Bank, including messaging, API gateways, monitoring, and caching, using Kotlin/Java and Spring ecosystems.

API Argo CD Cloud Docker ELK +17 skills

Server Developer (Product)

Build and maintain server-side components for Toss Securities using Java/Kotlin, Spring, Redis, Kafka, and Kubernetes, focusing on high-traffic trading systems and real-time data processing.

Elasticsearch ELK Grafana Hibernate InfluxDB +12 skills

Server Developer (Product)

Builds and scales server systems for Toss Income, a fintech service simplifying tax refunds and income management using Kotlin, Spring, and AWS.

AWS Cloud Docker Elasticsearch Git +11 skills

Server Developer (Product)

Designs and develops high-availability, scalable server systems for Toss’s offline payment solutions, focusing on system architecture, real-time traffic handling, and end-to-end service reliability using Java/Kotlin, Spring, Kafka, and cloud-native tools.

Argo CD Cloud Elasticsearch Grafana Hibernate +14 skills

Server Developer (Product)

Builds and maintains scalable, secure banking services using Kotlin/Java and Spring, focusing on high-traffic systems and innovative fintech products in a collaborative squad model.

Argo CD Cloud Docker ELK Git +16 skills

120M – 200M KRW